i added the work into each cell and checked with my professor but am stuck on how to answer these questions in the textbox. help is appreciated.

Suppore vou have the following obligation over the next three yeas - in veafs 1 and 2 vou wil make parments of 5000 and is year 3 you must malie a papment of 10,000 . "This wil be posted on Brightipate"* A. What is the duration of your oblication? D. Two tero coupon bonds exist, Sond A has time to maturity of 1 year and Bond B has time to maturify of 3 vears. txplain how you would immunive ageinst your obleation (usine duration) C. Assuming an interest rate of 5% what is the face value of abnd A and Bond a? Suppore vou have the following obligation over the next three yeas - in veafs 1 and 2 vou wil make parments of 5000 and is year 3 you must malie a papment of 10,000 . "This wil be posted on Brightipate"* A. What is the duration of your oblication? D. Two tero coupon bonds exist, Sond A has time to maturity of 1 year and Bond B has time to maturify of 3 vears. txplain how you would immunive ageinst your obleation (usine duration) C. Assuming an interest rate of 5% what is the face value of abnd A and Bond a